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| Name：Victorludge | 17, Oct, 2023 22:40:13 | |
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one of six clusters targeted by the Hubble Frontier Fields programme. The blue in this image is a mass map created by using new Hubble observations combined with the magnifying power of a process known as gravitational lensing. In red is the hot gas detected by NASA's Chandra X Ray Observatory and s | |
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